Battery for APC Back-UPS ES BE725BB Rechargeable Battery12V 9AH SLA Compatible Battery for APC Back UPS Pro 500U -12V 7Ah Replacement for APC Back-UPS 550 BE550G Battery -12V 7Ah Compatible Battery for APC Back-UPS ES 550VA -12V-2A Uninterruptible Power Supply Mini UPS Battery Ba...